The use of JAVA_OPTS with Groovy is not limited to specifying heap sizes. Indeed, the Native Launcher JAVA_OPTS section states: “The environment variable JAVA_OPTS can be used to set JVM options ...

Before Groovy 1.8, the standard tactic we Groovy script developers used to deal with this situation was to not define the local variables with the def keyword or with a static type declaration.

This tutorial shows how to implement a simple REST based microservice using Groovy, Spark Java and Gradle. The application we create can be later on uploaded to the Oracle Developer Cloud Service and ...